- Add root pyproject.toml for poetry check in dev_heartbeat.py
- Convert all packages from deprecated [tool.poetry.*] to [project.*] format
- Update aitbc-core, aitbc-sdk, aitbc-crypto, aitbc-agent-sdk packages
- Regenerate poetry.lock files for all packages
- Fix poetry check failing issue in development environment
This resolves the 'poetry check: FAIL' issue in dev_heartbeat.py while
maintaining all package dependencies and build compatibility.